<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>login.html</title>
</head>
<body>
    <h3>登录UI</h3>
    <form action="/auth/login" method="post">
        username: <input type="text" name="username"> <br>
        password: <input type="text" name="password"> <br>
        <button type="submit">登录</button>
    </form>
</body>
</html>